Home / 8,191,253.42-12,286,836.30-2,125,980.72

Finding the Fourth Proportional to 8,191,253.42, 12,286,836.30 and 2,125,980.72

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Solution

The fourth proportional to 8,191,253.42, 12,286,836.30 and 2,125,980.72 is: 3,188,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191,253.42 : 12,286,836.30 = 2,125,980.72 : x
  2. Step 2: Convert to fraction form
    8,191,253.42/12,286,836.30 = 2,125,980.72/x
  3. Step 3: Cross multiply
    8,191,253.42x = 12,286,836.30 × 2,125,980.72
  4. Step 4: Simplify right side
    8,191,253.42x = 26,121,577,083,596.14
  5. Step 5: Solve for x
    x = 26,121,577,083,596.14/8,191,253.42
  6. Step 6: Final answer
    x = 3,188,959.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.